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Miscellaneous collections of movies and videos.

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YouTube Archive
by Louis Rossmann
movies
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
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Thank you Tom D'Auria for making the text list from the video! Buy the flux I use here: https://mailin.repair/amtech-nc-559-v2-30-cc-16160.html 1:12 Soldering Iron 5:49 Micro Soldering Pencil 6:14 Hot Air Station 13:24 Tweezers 15:09 Multimeter 18:46 Oscilloscope 25:08 Multimeter Probes & Extenders 26:59 Fume Extractor 30:38 Microscope 35:25 Solder 37:01 Bench Power Supply 41:29 Big Ass PDF Reader 45:46 Rework Station 47:10 Air Conditioner 48:47 Air Purifier 49:22 Toaster Oven 49:58...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 802
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This is the worst video on SMC replacement there is. However, it is the only video on SMC replacement there is. 1:00:00 - after all the initial fuckups, I reball a good SMC. 1:14:00-1:18:00 - soldering reballed SMC onto board with Hakko FR-801 Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 495
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Here I go over how to replace a 0603 component using a standard soldering iron. No hot air, no hot tweezers, no steady hands! Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 473
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The dreaded quarter fan spin; the most miserable to repair issue on a Macbook logic board! Want to learn Macbook logic board repair one on one? Check out our private training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 413
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This board was not turning on because of issues relating to a sleep signal that keeps S0 rails from becoming enabled. What is an S0 rail? You can have PP5V but there's PP5V_S5, and PP5V_S0. There are different power states to the laptop depending on what it's doing. S5 is turned off, S0 is turned on. Here, we had PP5V_S5(5v while it's off), but no PP5V_S0(5v where it needs to be when we want it to be ON!) So, I go into a) troubleshooting that circuit b) a workaround I created c) when to step...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 328
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Here I go over my grades and schooling history and tell you how my schooling helped me in the real world.
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 306
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Here I go over how to tell that the SMC has failed on this Macbook Pro logic board. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 294
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Straightforward backlight fuse replacement on a Macbook Air. Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs through our mail-in website,...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 282
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Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform logic board repair services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs through our mail-in website, so we can service you even if you live outside...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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This is an 820-2936 board that needs a new ISL6259AHRTZ chip. I go over diagnosing the issue, what information led me to my conclusion, and the actual repair. Fixing this requires replacing a chip called the ISL6259AHRTZ, which is a pain in the ass to replace. I want to show you how to solder it, and this is a very appropriate video; since I solder it incorrectly the first time! Learn from my mistakes what to do & what NOT to do as well!! Want to learn how to do this? Check out our...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 191
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Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform logic board repair services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs through our mail-in website, so we can service you even if you live outside...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I'll go over what a short circuit is, why a short to ground is bad, how this will stop a board from working, how to find the short circuit, and how to repair it. We'll start from beginning to end, and you will get to see it working. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 186
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here we go over a Macbook Pro Retina logic board that is not turning on and totally dead if you have the battery unplugged, with no schematic. Luckily this board has the simplest flaw ever, that never ever ever happens.... God has shined his light down upon me today. :) Want to learn Macbook logic board repair one on one? Check out our private tutoring program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 172
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The first upload short circuited apparently, the entire video after 6 minutes went straight to ground. :( Here is the fixed video. Here I demonstrate one basic, low tech method to find a short to ground in a Macbook Pro logic board. I am commonly asked where I went to school to learn this, told I am a genius, etc, and I really want to demystify that. I am not a genius. I am a regular dumbass, just like you, and I often use low tech, low brainpower methods to do my troubleshooting. This is a...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 162
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Here I repair a Macbook Air logic board that was causing the screen to flicker after liquid damage. The customer claimed they never got liquid on it... don't they all. :) Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Reballing is NOT repair! When it comes to BGA graphics chips with a flip chip design, to reball is IDIOCY - the chip itself is dead on the inside. Heating it up causes it to work again for a temporary period of time before it eventually dies again. You can prove that the problem is not in the balls very simply by heating your chip up to 120c for ten minutes, you will see that it often works again for a short period. 120c cannot melt solder, which is proof that the issue is in the bumps of the...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here we have an 820-3115 logic board that doesn't chime when you turn it on. This is because the CPU is getting no vcore. I'll show you my troubleshooting process and the finished result. As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs. http://gnrtech.repair/about-us Local to New York?...
Topics: People & Blogs, youtube, Louis Rossmann
At the Apple store, this is a tier 4 repair which is $750. I am going to perform this repair with $2 of parts on camera live so you can see for yourself just what nonsense it is that Apple goes above and beyond to keep independent service centers from repairing their products. I will discuss the challenges we face and show you specific examples, and show you how those challenges negatively affect our ability to offer a better value to the consumer. My store is located in one of the most...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 153
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Here I diagnose a board that has issues on PP3V42_G3H which caused issues with the MCP, whose clock circuit is powered by PP3V42_G3H! I go through my diagnostic process and mindset, and follow from beginning to end as I resolve the problem. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small class size?...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 151
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Here I go over a dead Macbook Pro retina logic board, model 820-3476. You'll get to see my troubleshooting process in realtime as well as the repair performed with no fast forwarding, no misleading editing, and no bad techno music. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 150
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Here my head technician shows you how to replace a Macbook Pro Retina battery. Needless to say, going forward, we will check the spatulas to ensure that they are perfectly straight and toss old ones in the trash prior to performing this repair. This computer works perfectly. The only damage was to the battery which we were tossing in ewaste to begin with.
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 142
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I go over a basic current sensing issue, where the machine will allow the light to turn green, but will not allow PPBUS_G3H to create more than 1.7v. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small class size? http://rossmanngroup.com/practical-board-repair-school Local to New York? Come to our store! We offer free estimates on all...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 137
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820-2330 board with no PM_SLP_S4_L signal coming from the MCP. Bad MCP, right? NO!!!!!!!!!!!!!! Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Quarter fan spin is one of the most miserable problems there is to fix on any Macbook board. It can be caused by almost anything. Here, we go over one of the causes for quarter fan spin. Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 130
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https://mailin.repair/amtech-nc-559-v2-30-cc-16160.html
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 128
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The feedback trace on the output of the backlight circuit was destroyed, the LVDS connector was destroyed, the trace & pad going from the output of the backlight circuit were destroyed. All repaired in swift order. As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs. http://gnrtech.repair/about-us Local...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here we go over a logic board where the keyboard and the trackpad are not working properly. The reason wound up being conductive thermal paste being spilled on the board by the customer after our original repair. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I go over a machine that had no PPBUS_G3H, the 12.6v supply voltage the laptop requires to turn on. This voltage supplies power utilized for most of the other power rails in the laptop, so if this does not work, almost nothing else will. I'm also going to go on to explain some other basics of how this system works.
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here is how to solder an LP8550 LED driver on a Macbook Air motherboard. The procedure is the same for the Macbook Pro. I go over in detail up close how to remove the old chip properly without ripping pads, how to clean the pads, and how to solder the new chip. I make sure you know when it is soldered, and how to solder it so you do not burn the chip. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 120
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Want to learn Macbook logic board repair one on one? Check out our private tutoring program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs through our mail-in website, so we can service you even if you live outside of NYC....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I go over the Weller WHA900 hot air rework station, which I now currently recommend as **THE** hot air station for anyone watching this channel. email Diane Miller if you are interested in purchasing one - contact her at Diane.Miller@weller-tools.com I have recommended the FR-801 for the longest time, but it is now discontinued and unavailable. Hakko's successor to the FR-801 is terrible for many reasons I will discuss in this video, and actually costs more than the Weller WHA900. 00:00:20...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 116
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We teach component level diagnostics on Apple Macbook laptop logic boards, also called motherboards. Here's an example of what we teach. Want to learn Macbook logic board repair one on one? Check out our private tutoring program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 111
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https://mailin.repair/amtech-nc-559-v2-30-cc-16160.html
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 111
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Here we have a Macbook Air board that is dead because of missing 3.42v power rail. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 109
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Here we go over an 820-3330 that has no green light on the charger, but that works on the battery. The problem wound up being with the CHGR_ACOK & SMC_BC_ACOK signal that was being held low by U7000/ISL6259. I go over the troubleshooting process, how we come to the conclusion that U7000 and the ISL6259 chip were the problem, how to replace the chip by hand, and show you a working product at the end. This is all done in realtime. Want to learn how to do this? Check out our practical logic...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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This Macbook Air was not turning on power rails required for S0 and S4 states because of missing SPI ROM, due to corroded board traces. It is common for people to think they need to replace BGA chipsets which would never fix the problem when in reality, all that's needed is use of brain! We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Ascendtech are idiots. BIOS chip... seriously?? :( Just another example of how a million dollar reverse logistics firm's refurbishing department is USELESS without brains! Never forget, your BRAIN is worth more than some other company's money. Want to learn how to do this? Check out our one on one tutoring sessions where Louis Rossmann teaches microsoldering, basic electronics, and component level diagnostics in his repair office. http://www.rossmanngroup.com/logic-board-repair-training-class/...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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UPDATE 9/23/2015: Thank you very much to the gentleman who gave a five star Yelp review for this ticket. Apparently adding C9560(poly film, not tantalum) fixed it. Perhaps even with a linear PSU there was some issue with the cap not present. Either way, it fully functioned when he got it back and he got a full refund. See, good karma comes from not ripping people off! Here I go over an 820-2850 board with no video. If you go back to my 820-2330 video with no PM_SLP_S4_L video, this will make...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 96
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A1278 Macbook Logic Board Repair. Laptop does not charge the battery. Here's how we fix it! As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs. http://www.rossmanngroup.com/wholesale Local to New York? http://www.rossmanngroup.com/board-repair/ Outside New York?...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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If I had a penny for every time I've replaced this resistor. Very common fault on sandy bridge & ivy bridge Apple logic boards! We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small class size? http://rossmanngroup.com/practical-board-repair-school Local to New York? Come to our store! We offer free estimates on all problems....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I go over a board that was not seeing the battery due to a missing pullup resistor on a data line between the battery charger, the battery, and the SMC. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small class size? http://rossmanngroup.com/practical-board-repair-school Local to New York? Come to our store! We offer free estimates on...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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http://www.cnet.com/how-to/what-to-do-with-a-broken-iphone-66-plus-screen/ This is the type of rampant idiocy that should be shamed before it is ever posted. No LCD separator, no optical adhesive, no curing device. According to Sarah Purewal, with a $25 set of plastic pry tools, a suction cup, a screwdriver, and a piece of glass - fix your iPhone 6 screen. BY YOURSELF! I am sick and tired of this type of nonsense in the tech press. It makes the tech press look bad when they are this uninformed,...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 87
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Some backstory on the last comment - my smartest top technician is Serbian, and is frequently given jobs where he must come up with some macguyver'd way of making a device work due to severe time & cost restraints. He always succeeds. As such, whenever we do some off the wall nonsense to get a job done, we pay homage to him & his homeland. So this dude comes in and needs his stuff transferred from a totally dead laptop to a new one. He's flying out and gives us a time limit of 45...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Macbook Pro Retina with displayport symbol issue in 3S162 ASD, here's how we fixed it. Can you guess the music playing? It's one of my FAVORITE albums! I'll update with the name later this week. Want to learn Macbook logic board repair one on one? Check out our private training program. http://www.rossmanngroup.com/logic-bo... We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 72
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Short version: buy an FR-801 used or an FR-810. The all-in-one FM-206 station utilizes the terrible FM-2029 hot air nozzle. Hakko's standalone hot air stations such as the FR-801 and FR-810 are excellent, but the one built into the FM-206 is awful. Here I go over the Hakko FM-206 station with an FM-2029 hot air pencil, and contrast it to a Hakko FR-801 at maximum heat settings for each. I do not solder at maximum heat, but wanted to give a comparison of the potential of each. In my opinion most...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Many people tell me they have to put a solder blob over the fuse because they do not have the tools to replace it. If you have the tools necessary to create a solder blob, you have the tools necessary to replace a fuse. Here I will replace the smallest size fuse on an A1278 model Macbook Pro, which is 0402 in size. This fuse is surrounded by other 0402 components right next to it in a densely populated area. I will be doing this using the largest tip on a standard soldering iron. I am doing my...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Here I go over a 2012 A1286 820-3330 Macbook Pro logic board that turns on, but has no video on the screen. I go through troubleshooting from beginning to end and record all the repairs in realtime, along with providing you my thought process while troubleshooting. Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
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This concerns the blog Lenovo wrote here. http://blog.lenovo.com/en/blog/retro-thinkpad-time-machine/ My primary problem with this blog is that it implies that all of the basic functionality that has made the Thinkpad the primary choice of its core userbase for all of these years is considered retro. As if we must choose between volume buttons, function keys, a proper trackpoint, and a good keyboard; OR, good sales and "progress." What does one have to do with the other? Why can't you...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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This machine has no backlight. After repairing its original issue(water damage), he comes back to say that it "never worked", with a new issue - coca cola and/or coffee damage! Here's the troubleshooting, and the solution. As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
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Recently I posted a video about how one might not receive a "pity discount" if they act a certain way, which can be found here. https://www.youtube.com/watch?v=VFR7JTji6b0 This spawned a discussion of the word ripoff. What is a ripoff? What are you paying for when you pay for a professional service? Lastly, I introduce the VERY important concept that Alan Glasser teaches that if you TOUCHED it, you OWN it! You will be held accountable for nearly everything that goes wrong with what...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 67
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Th title is clickbait and against everything I discuss on this channel about finding the solution to your problem through brain usage, but what the hell. I Am going to go over a common failure mode on older A1278 logic boards when they get liquid damaged near the edge. Want to learn how to do this? Check out our practical logic board repair class where Jessa Jones & Louis Rossmann teach microsoldering, basic electronics, and componnet level diagnostics....
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
by Louis Rossmann
movies
eye 64
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Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
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Here I go into how the main power circuit on a Unibody Macbook Pro logic board works, how to troubleshoot the issue, and also perform the most basic of all repairs - a bad ISL6259. As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs. http://www.rossmanngroup.com/wholesale Local to New York?...
Topics: People & Blogs, youtube, Louis Rossmann
YouTube Archive
movies
eye 64
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As always, if you are looking for us to perform these services for you, check out our business. Are you a business looking to outsource your board repairs to us? Open a business account with us here to receive wholesale rates on board repairs. http://www.rossmanngroup.com/wholesale Local to New York? http://www.rossmanngroup.com/board-repair/ Outside New York? https://mailin.repair/macbook-logic-board-repair.html
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Here we repair an A1278 2010 Unibody Macbook Pro that has no backlight on the screen. The logic board has a fault on the resistors that set BKLT_EN, so most of the 12v is being sent to ground instead of where it belongs. I'll go through the steps from initially opening it and looking at it, to the actual repair, with a few distractions along the way.
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In this video we have an A1181 that has no backlight. The LCD, inverter, and inverter wire are fine. It's because the motherboard is missing a pad that goes between the transistor pumping out 5 vdc and the inverter connector, as well as missing the component that goes there. We fix these for anyone willing to come to our store or mail the machine in. Check out our service page here if you want us to fix it for you....
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This A1425 Retina Macbook Pro logic board won't turn on, and has no voltages present on the board. This is because PP3V42_G3H Is not present, which is required for the onewire circuit to operate. Without onewire, you won't get anything from the charger to the machine. I also screwed up and left a resistor out in the feedback circuit to PP3V42_G3H. As always, it is ok to make mistakes so long as you are able to catch yourself and fix them. As always, if you are looking for us to perform these...
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Here we go over an 820-2850 that was not powering on. Burned via between shunt resistor for current sensing and a resistor delivering that voltage to the ISL6259. Want to learn Macbook logic board repair us with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems....
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Usually when a Macbook logic board has no backlight and a via or trace to the LED driver is blown, it is the feedback via - NOT the switching via!! This one was a surprise. Want to learn how to do this? Check out our practical logic board repair class where Jessa Jones & Louis Rossmann teach microsoldering, basic electronics, and componnet level diagnostics. http://rossmanngroup.com/practical-board-repair-school Local to New York? Come to our store! We offer free estimates on all Macbook...
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Here I discuss the onewire circuit, which is responsible for allowing the charger's green light to turn on, and allowing the system to turn on using the charger. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to learn from us with a small class size? http://rossmanngroup.com/practical-board-repair-school Local to New York? Come to our store! We offer free estimates...
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Want to learn Macbook logic board repair with a small class size? Check out our training program. http://www.rossmanngroup.com/logic-board-repair-training-class/ We perform these services for regular consumers and other businesses. Local to New York? Come to our store! We offer free estimates on all problems. http://www.rossmanngroup.com/board-repair/ Outside New York? We offer all types of Macbook repairs through our mail-in website, so we can service you even if you live outside of NYC....
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I know there are people out there who can do this job 10x better than I do, but since none of them have uploaded a howto video to youtube, you're stuck with mine! In the last LVDS replacement video, I showed you that you can do this job even with a $10 soldering iron. In this video, I'll be doing the job with a better iron. I'm not the best when it comes to super small connector soldering, but the point here is you don't have to be to do a job that works and looks great in the end. I...
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Here I go over a board that is missing a signal from the PCH that is critical for power rails to start coming on, and critical for the machine to begin working. This is following up on my video as to whether your repair store should buy a BGA rework machine; I really wan to get through your head that what most people believe are BGA problems are actually circuit problems. Just like the last video I did where a Macbook Air mising the PM_SLP_S4_L signal was corroded traces by the SPI ROM, this...
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unrelated note: L2 Computer tried to scam us out of $2000 by selling us junk chips. NEVER FORGET! click for details. How resellerratings.com has a scam that milks small business owners for money & erases the reputation of those that do not pay. Read more here http://www.rossmannsupply.com/blog/2012/11/resellerratings-com-the-art-of-extorting-the-small-business-owner/
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Here I go over an important point, which is that PP3V42_G3H missing can cause PPBUS_G3H to be missing, even if the PPBUS_G3H circuit has no faults. I also make a "whoops" mistake and fix it and go over the value of not being afraid to fail, fuck up, or make mistakes - so long as you are able to fix it. We perform these services for regular consumers and other businesses whether you are local or 3000 miles away, and even teach a class on component level motherboard repair! Want to...
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Someone asked in a comment so I recorded a long winded(as usual) answer.
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unrelated note: L2 Computer tried to scam us for $2000. NEVER FORGET! https://www.youtube.com/watch?v=aJ2vNGNWzTI Many people ask about ultrasonic cleaners, so here you go. Buy a Crest CP500HT, and Branson EC fluid. Further, many people wind up buying these machines and using them the wrong way. You know where these ultrasodomized boards end up? My desk. Do you know where I put them? In a bin behind my chair to be worked on when there is ABSOLUTELY NOTHING ELSE TO DO! Please follow this FREE...
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Here I'm going to go over repairing an 820-2879 board that was not turning on. Fixed that problem, but the charger wouldn't work, it only ran off battery power. Then it had no backlight. At the end it worked(surprisingly), and here's what it looked like. I did the following: a) Replaced the LVDS connector since the original one was shorting PP3V3 to ground. b) Replaced U6901 from the onewire circuit so that the board would recognize the charger. c) Replaced LP8545SQ to get backlight and ran...
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More junk from microscope.com. See how it looks like a broken television when you look at the pins on the NZ530 microscope? Did you know that this microscope costs three times as much as the 2300S? This was sold to me as an "UPGRADE."
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Video index below: we will use JBC & Hakko gear to work on Macbook logic boards & swap components live! 00:02:24 - JBC unboxing. 00:02:40 - Commentary on what the "cheap" alternative to Hakko gear is 00:03:05 - Reading of invoice 00:04:40 - JBC TE-1D Precision Hot Air Station unboxing 00:06:05 - FM-206 review https://www.youtube.com/watch?v=iBmRwK4CaAI 00:06:32 - Hakko FR-801 vs JBC-TE-1D size comparison 00:12:56 - Hakko FR-801 removing U6100 SPI ROM chip from Macbook Air...
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